Massasauga | Venomous, Endangered, Ontario | Britannica
https://www.britannica.com/animal/massasauga
WEBmassasauga, ( Sistrurus catenatus ), small North American rattlesnake of the family Viperidae, found in prairies, swamps, and woodlands from the Great Lakes to Arizona. It is typically 45 to 75 cm (18 to 30 inches) long. The massasauga may be totally black but is more commonly gray or tan with rows of black or brown spots on its back and sides.
DA: 87 PA: 72 MOZ Rank: 87